underground screaming monster chasing people

Near a remote town, the repeated dumping of toxic waste causes an underground cave dweller to mutate into a hideous monster. A construction team that is digging a tunnel accidentally disturb the creature's habitat causing it to attack.

A group of friends fight for their lives against bloodthirsty creatures lurking in an underground military base.

Three young adults, obsessed with the horrors of the modern world, find themselves trapped in the depths of a sprawling underground subway, which gradually transforms into a massive, nightmarish organic entity, eager to assimilate them for good.

An angry New York cop is professionally damaged by an unflattering story about him in the paper, written by a nosy reporter with whom he proceeds to butt heads. Then, the two join forces to combat a ruthless gang of thugs in the subway who are led by a recently released mental patient.

Everyone has a secret, and it can hunt like a monster.

A man desperately tries to escape his captors, and takes revenge on them at any cost.